Everything You Need to Know about Narcissists, Psychopaths, and Abuse - click on this link: http://www.narcissistic-abuse.com/faq1.html
Narcissists use objects and possessions to elicit narcissistic supply (attention, admiration, or envy).
Yet, certain objects, situations, voices, sights, colours also provoke and evoke unwanted memories and the narcissist tries to avoid them.
(From the book "Malignant Self-love: Narcissism Revisited" by Sam Vaknin - Click on this link to purchase the print book, or 16 e-books, or 3 DVDs with 16 hours of video lectures on narcissists, psychopaths, and abuse in relationships: http://www.narcissistic-abuse.com/thebook.html)